People are gathering in prayer and visiting mass graves in Indonesia’s Aceh province to mark 20 years since the massive ...

ABC News’ Diane Sawyer interviewed Nemcova in the months after the tragedy. Now, 20 years after one of the deadliest natural ...

Here is a look at tsunamis. Tsunamis are formed by a displacement of water – a landslide, earthquake, volcanic eruption, or slippage of the boundary between two of the earth’s tectonic plates – slabs ...

Qurrata Ayuni, a 28-year-old survivor of the earthquake and tsunami that devastated her hometown two decades ago, has transformed her resilience into purpose. Defying Aceh’s male-dominated coffee ...

Here are some things to know about tsunamis: A tsunami, a word that comes from the Japanese characters for harbor and wave, is a series of extremely long waves caused by the sudden displacement of ...

"It was a very weird, very shallow earthquake that involved a lot of vertical motion of the seafloor, which tends to produce more tsunamis, and that was the basis for that warning that we all ...

Twenty years after the Indian Ocean catastrophe that claimed more than 230,000 lives, disaster planners believe Australia is "much better prepared" for future tsunamis. But there are concerns ...